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Mouth of the lower Grand Canon of the Colorado River
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Triangulation station
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Grand Canon, junction of Diamond and Colorado Rivers
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View of Grand Canon walls near mouth of Diamond River
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The cañon, from To-ro-weap valley (looking down)
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Black Canon, Colorado River, from camp 8 looking above
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Black Canon, Colorado River, looking above, from camp 7
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Black Canon, Colorado River, looking below near Camp 7.